--- gforth/configure.in 2003/01/27 21:28:48 1.107 +++ gforth/configure.in 2003/08/06 08:43:47 1.125 @@ -1,6 +1,6 @@ dnl Process this file with autoconf to produce a configure script. -#Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. +#Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. #This file is part of Gforth. @@ -18,18 +18,23 @@ dnl Process this file with autoconf to p #along with this program; if not, write to the Free Software #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. + dnl We use some automake macros here, dnl but don't use automake for creating Makefile.in -AC_INIT([gforth],[0.5.9-20030127],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) +AC_INIT([gforth],[0.6.1],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) +AC_PREREQ(2.54) #snapshots have numbers major.minor.release-YYYYMMDD #note that lexicographic ordering must be heeded. #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! -UPDATED="27 January 2003" +UPDATED="March 11, 2003" AC_SUBST(UPDATED) AC_CONFIG_HEADERS(engine/config.h) +#suppress the "-g -O2" default +test "$CFLAGS" || CFLAGS=-O2 + #default setting that may be changed later: -no_dynamic_default=0 +test "$no_dynamic_default" || no_dynamic_default=0 AC_ARG_ENABLE(force-reg, [ --enable-force-reg Use explicit register declarations if they appear in @@ -39,10 +44,10 @@ AC_ARG_ENABLE(force-reg, AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])) AC_ARG_WITH(debug, -[ --with-debug specifies option -g to compile with debug info (default) - --without-debug omits the -g switch and creates smaller images on - machines where "strip" has problems with gcc style - debugging informations.], +[ --with-debug specifies option -g to compile with debug info + --without-debug omits the -g switch and creates smaller images on + machines where "strip" has problems with gcc style + debugging informations.], if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) dnl PEEPHOLE="yes" @@ -53,7 +58,7 @@ dnl but slower images.], dnl PEEPHOLE="$withval") #variables mentioned in INSTALL -AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).]) +AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.]) AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) @@ -63,7 +68,8 @@ AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(lo AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) -AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no)?]) +AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?]) +AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default]) #set up feature test macros, so the tests get them right: # turn on all POSIX, SUSv3, and GNU features if available @@ -84,8 +90,6 @@ dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BIT #currently we force direct threading this way. Eventually we should #setup in the arch and engine files right -CFLAGS=$CFLAGS - AC_PROG_CC test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) @@ -120,7 +124,7 @@ case "$host_cpu" in machine=hppa $srcdir/mkinstalldirs arch/hppa AC_LIBOBJ(../arch/hppa/cache) - LDFLAGS="$LDFLAGS -Xlinker -N" + #LDFLAGS="$LDFLAGS -Xlinker -N" LIBS="$LIBS -L/lib/pa1.1/" ;; sparc*) @@ -193,7 +197,6 @@ case "$host_cpu" in AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) esac AC_SUBST(host) -AC_SUBST(ENGINE_FLAGS) dnl the following macro produces a warning with autoconf-2.1 AC_CHECK_SIZEOF(char *) @@ -282,11 +285,33 @@ test $ac_cv_sizeof_off_t -gt $ac_cv_size ac_small_off_t=$? AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) -# Try if GCC understands -fno-cross-jump +ENGINE_FLAGS= +AC_SUBST(ENGINE_FLAGS) + +# Try if GCC understands -fno-gcse +AC_MSG_CHECKING([if $CC understands -fno-gcse]) CFLAGS_1="$CFLAGS" -CFLAGS="$CFLAGS -fno-cross-jump" -AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1") +CFLAGS="$CFLAGS -fno-gcse" +AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) +CFLAGS="$CFLAGS_1" +AC_MSG_RESULT($ac_nogcse) + +# Try if GCC understands -fno-strict-aliasing +AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) +CFLAGS_1="$CFLAGS" +CFLAGS="$CFLAGS -fno-strict-aliasing" +AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) +CFLAGS="$CFLAGS_1" +AC_MSG_RESULT($ac_nostrictaliasing) + +# Try if GCC understands -fno-crossjumping +AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) +CFLAGS_1="$CFLAGS" +CFLAGS="$CFLAGS -fno-crossjumping" +AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) +CFLAGS="$CFLAGS_1" +AC_MSG_RESULT($ac_nocrossjumping) AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) AC_SUBST(asm_fs) @@ -294,14 +319,16 @@ AC_SUBST(asm_fs) AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) AC_SUBST(disasm_fs) +AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) + case "$host_os" in *win32|cygwin) - DIRSEP="\\" + DIRSEP="\\\\" ;; *darwin*) #Darwin uses some funny preprocessor by default; eliminate it: AC_MSG_NOTICE([using -traditional-cpp on Darwin]) - CFLAGS="$CFLAGS -traditional-cpp" + CFLAGS="$CFLAGS -no-cpp-precomp" DIRSEP="/" ;; *) @@ -404,6 +431,15 @@ dnl This check is just for making later dnl using sin here is no good idea since it is built-into gcc and typechecked AC_CHECK_LIB(m,asin) AC_CHECK_LIB(dl,dlopen) +dnl check for ffcall libraries +dnl unfortunately, these four calls are separated out into a library each. +AC_CHECK_LIB(avcall,__builtin_avcall) +AC_CHECK_LIB(callback,__vacall_r) +AC_CHECK_LIB(vacall,vacall) +AC_CHECK_LIB(trampoline,alloc_trampoline) +FFCALLFLAG="false" +test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" +AC_SUBST(FFCALLFLAG) if test "$host_os" != "nextstep3" then AC_FUNC_MEMCMP @@ -411,7 +447,7 @@ fi AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) AC_FUNC_FSEEKO AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) -AC_CHECK_TYPES(stack_t) +AC_CHECK_TYPES(stack_t,,,[#include ]) AC_DECL_SYS_SIGLIST AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1)) AC_CHECK_FUNCS(expm1 log1p)